Ward's Auto, an industry-watcher that recently started tracking installation rates of push-button ignitions, reports 25.4 percent, or 4.4 million, 2013 model-year cars and trucks sold had the feature.

Modernize your ride by getting rid of your old keyed ignition and replacing it with a id.PUSH Push Button Ignition System from ididit.

JDI also offers upgraded push start buttons in different colors and styles, as well as a Hyundai/Kia sized adapter to allow the sleeker buttons to install in the ignition hole.